As drafting has grown more sophisticated, one of the most universally adopted changes has been an increased emphasis on the value of long wingspans. It’s not rocket science, but there’s plenty of evidence that shows length is really important when it comes to defending shots, and some of the best defenders in the league, like Kawhi Leonard (7-foot-3) and Draymond Green (7-foot-1), have wingspans that far exceed their 6-foot-7 height.

The longest wingspan in the league currently belongs to another defensive monster, Utah’s Rudy Gobert, whose arms stretch out to a massive 7 feet, 8.5 inches. But, assuming he enters the draft, 19-year-old Mohamed Bamba will become the new leader next year thanks to his 7-foot-9 wingspan, and his physical tools could potentially make him the top pick.

Bamba’s wingspan is his most attractive quality as a prospect, but he has a lot more to offer than just his enormous reach. His coordination is impressive for a...